/* Hub científico: leitura técnica, referências verificáveis. Usa os tokens de /premium.css. */
.hc{max-width:760px;margin:0 auto;padding:32px 20px 64px}
.hc-top{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--linha);font-size:13px}
.hc-top a{color:var(--suave);text-decoration:none}.hc-top a:hover{color:var(--rosa)}
.hc-top .hc-marca{font-family:var(--fonte-display);font-size:18px;color:var(--tinta)}.hc-top .hc-marca b{color:var(--rosa);font-weight:500}
.hc h1{font-size:clamp(34px,6vw,52px);margin:28px 0 12px}
.hc h2{font-size:28px;margin:40px 0 12px}
.hc h3{font-size:21px;margin:24px 0 8px}
.hc p,.hc li{font-size:15px}
.hc .lead{font-size:17px;color:var(--suave)}
.hc-meta{font-size:12px;color:var(--suave);display:flex;flex-wrap:wrap;gap:6px 16px;margin:0 0 24px}
.hc-box{border:1px solid var(--linha);border-radius:12px;padding:20px 22px;margin:20px 0;background:var(--papel)}
.hc-box h2,.hc-box h3{margin-top:0}
.hc-resumo{border-left:3px solid var(--verde);background:var(--verde-claro)}
.hc-alerta{border-left:3px solid var(--rosa);background:var(--rosa-claro)}
.hc-nivel{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:999px;border:1px solid currentColor}
.hc-nivel.alto{color:var(--verde)}.hc-nivel.moderado{color:#9a6a12}.hc-nivel.baixo{color:var(--rosa)}
@media(prefers-color-scheme:dark){.hc-nivel.moderado{color:#e8c06a}}
html[data-tema=escuro] .hc-nivel.moderado{color:#e8c06a}html[data-tema=claro] .hc-nivel.moderado{color:#9a6a12}
.hc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.hc-card{display:flex;flex-direction:column;gap:8px;border:1px solid var(--linha);border-radius:12px;padding:22px;text-decoration:none;color:var(--tinta);background:var(--papel)}
.hc-card:hover{border-color:var(--rosa)}
.hc-card small{color:var(--rosa);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.hc-card h3{margin:0;font-size:22px}.hc-card p{margin:0;color:var(--suave);font-size:14px}
.hc-card .hc-nivel{align-self:flex-start;margin-top:auto}
.hc-tabela{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0}
.hc-tabela th,.hc-tabela td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--linha)}
.hc-tabela th{color:var(--suave);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.hc-refs{padding-left:20px}.hc-refs li{margin:10px 0;font-size:14px;line-height:1.6}
.hc-refs a{word-break:break-word}
.hc-rodape{margin-top:48px;padding-top:20px;border-top:1px solid var(--linha);font-size:12px;color:var(--suave)}
@media(max-width:640px){.hc-grid{grid-template-columns:1fr}.hc{padding:24px 16px 48px}}